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Geography of the Yuma Basin

The Yuma Basin, located in the northeastern part of the planning area is 792 square miles in area.  Geographic features and principal communities are shown on Figure 7.11-1.  The basin is characterized by desert valleys and mountain ranges. Vegetation type is Lower Colorado River Valley Sonoran desertscrub. (See Figure 7.0-9)

Principal geographic features shown on Figure 7.11-1 are:

  • The Colorado River on the western basin boundary
  • Yuma Desert in the southern portion of the basin
  • Tinajas Altas Mountains and the Gila Mountains on the eastern basin boundary with the highest point in the basin at 2,694 feet.
  • The lowest point in the basin at 70 feet where the Colorado River enters Mexico at the southern international boundary.

Click here for Figure 7.11-1

Figure 7.11-1 Yuma Basin Geographic Features


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References and Supplemental Reading for the Yuma Basin

Colorado River
Lower Colorado River Planning Area
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Mainstreet Yuma
Agriculture in Yuma Basin